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Python automated operation and maintenance course learning--day2

/python3.5#-*-coding:utf-8-*-# function:three opts# author:spencer jiang# date:2017-02-25b, C = 5, 19a = C If B > C else cprint (a)    Finally: Python is an object-oriented programming language, and everything is object in Python.The second week of homework------shopping cart1, divided into user portal and business entrance2. User Portal:1), first run the program only need to enter the deposit (salary)2), read the product information from the file3),

Get started with Python with C or C + + basics: Python Crash Course 5 if statement

ifAge :4 Print("yout Admission cost is $")5 elifAge :6 Print("Your Admission cost is $")7 Else:8 Print("Your Admission COSR is $")The only thing to note is that Python and Linux pay the shell the same, else if if is shrunk to elif.Four, using the IF statement to process the list  1. Check for special elements  In the For loop with an if statement, the sample code is as follows:1names = ['Peter','Mina','Mike']2 3 forNameinchnames:4 if

Python Data Mining Course

"Python Data Mining Course" I. Installation of Python and crawlers introduction"Python Data Mining Course" two. Kmeans clustering data analysis and Anaconda introduction"Python Data Mining Cou

Why did you learn to finish the course on the online python?

write the front end, but also to learn a server language such as Python (of course, Python can also do other) to control the server. What the server needs to do, a lot of ... Or, if you tell me what kind of simple function you want to achieve, I'll tell you what you need to learn and how to do it several times. Less than know, read more, without him. Learning pr

"Python Data Mining Course" seven. PCA reduced-dimension operation and subplot plot __python

This article mainly introduces four knowledge points, which is also the content of my lecture. 1.PCA Dimension reduction operation; PCA expansion pack of Sklearn in 2.Python; 3.Matplotlib subplot function to draw a child graph; 4. Through the Kmeans to the diabetes dataset clustering, and draw a child map. Previous recommendation:The Python data Mining course. I

Python crawls the detailed process of Coursera course resources

= ''.join(randomString(24))cookie = "csrftoken=%s; %s=%s" % (XCSRFToken, XCSRF2Cookie, XCSRF2Token)post_headers = {"User-Agent": user_agent, "Referer": "https://accounts.coursera.org/signin", "X-Requested-With": "XMLHttpRequest", "X-CSRF2-Cookie": XCSRF2Cookie, "X-CSRF2-Token": XCSRF2Token, "X-CSRFToken": XCSRFToken, "Cookie": cookie } At this point the login function is initially implemente

Python Simulation Course selection system

Requirements:角色:学校、学员、课程、讲师要求:1. 创建北京、上海 2 所学校2. 创建linux , python , go 3个课程 , linux\py 在北京开, go 在上海开3. 课程包含,周期,价格,通过学校创建课程4. 通过学校创建班级, 班级关联课程、讲师5. 创建学员时,选择学校,关联班级5. 创建讲师角色时要关联学校,6. 提供两个角色接口6.1 学员视图, 可以注册, 交学费, 选择班级,6.2 讲师视图, 讲师可管理自己的班级, 上课时选择班级, 查看班级学员列表 , 修改所管理的学员的成绩6.3 管理视图,创建讲师, 创建班级,创建课程7. 上面的操作产生的数据都通过pickle序列化保存到文件里First, the Process flow chartSecond, the program codePreliminary code:2.1 Creating a ClassClass School (object): ' 1: Feature: Schoo

Wunda-Deep Learning-course notes -3:python and Vectorization (Week 2)

matrix when you calculate Np.dot (A, A.T). The shape of A is (5, 1), and a. The shape of T is (1, 5).A.shape = (5,) This is an array of rank 1, not a row vector or a column vector. Many students appear to be difficult to debug bugs are from the rank of 1 arrays.In addition, if you do a lot of things in the code, you may not remember or are unsure of how a is, use assert (A.shape = = (5,1)) to check the dimensions of your matrix.If you get (5,) you can reshape it into (5, 1) or (1, 5), reshape i

python-Course Selection System

Detailed Requirements:1, the establishment of Beijing, Shanghai 2 schools2, create Linux, Python, go 3 courses, Linux\py opened in Beijing, go in Shanghai Open3. Courses include, cycle, price, create a course through the school4, through the school to create classes, class-related courses, lecturers5, when creating students, select the school, related classes6. Associate the school when creating the instruc

Get started with Python with C or C + + basics: Python Crash Course 4 action list 4.4--4.5

listLet's look at the following code:1names = ['Peter','Mina','Mpeter','Katherine']2My_friends =names[:]3 4 Print('I have a list of my friends:')5 Print(names)6 Print("however Mina have a same list!")7 Print(my_friends)8 Print("But Mike just has both in my list")9Mike_friends = Names[0:2]Ten Print(mike_friends)The principle of copying a list is actually simple:  Declares a list, and assigns a value, and then declares a list B, and then iterates through list A and passes the value to the end of

Python Course day2

. Float type, floatPrint (Type (52.3E4)) print (Type (52.3E-4))C. Boolean valueTrue or FalseTrue or False1 or 0Data operations1. Arithmetic operations:+-*/, subtraction% modulus, remainder* * Power, exponentiationThe integer part that returns the quotient.2. Comparison operation:= =, equal to! =, not equal to, in Python 2.x sometimes this means:, 3. Assignment operation=,+=,-=,*=,/=,%=,**=,//=4. Logical operationAnd,or,notWith, or, non-5. Member Opera

Python Course Learning Summary

many parameters are passed in when defined Positional parameters/keyword parameters When calling a function, you can pass in two arguments One that doesn't have a name. One is the keyword parameter with key If mixed, all positional parameters must be before the keyword argument must be in the back Range function Range (N) Sequence from A to n-1 Range (Start,end) Sequence from start to End-1 Range (Start,end,step) Step inte

"Python Data Mining Course" 14. SciPy call Curve_fit to implement curve fitting

The previous series has talked about various kinds of knowledge, including drawing curves, scatter plots, power distributions and so on, and it becomes very important how to fit a straight line in a pile of scatter plots. This article mainly describes the Curve_fit function that calls the SCIPY extension package to achieve the curve fitting, simultaneously calculates the fitting function, the parameter and so on. Hope the article is helpful to you, if there are errors or deficiencies in the arti

Zero basic learning python _ list and Meta Group (course 10-13), python10-13

Zero basic learning python _ list and Meta Group (course 10-13), python10-13 Today, I will go back and look at the list and metadata. Let's talk about the list. The list is actually the most frequently used data type in python. It is not only often used but also powerful, this is similar to the array in the C language, and the list can also be added, deleted, mod

Download Big Data Battle Course first quarter Python basics and web crawler data analysis

The python language has been increasingly liked and used by program stakeholders in recent years, as it is not only easy to learn and master, but also has a wealth of third-party libraries and appropriate management tools; from the command line script to the GUI program, from B/S to C, from graphic technology to scientific computing, Software development to automated testing, from cloud computing to virtualization, all these areas have

Python Learning Notes (Course Introduction 3)

Is there a future for Python learning?U.S. Python Engineer Salary: 8-11w USDChina, with Beijing as an example, had only 30 python jobs nationwide in 2013,The geographical difference is very large.Programming language rankings:2013, Python row eighth2015 rows to the four.Codeeval website Research, project development pr

Python Introductory Course Catalog

The first chapter is about Python1.python Language Introduction (including the rest of the language)2. How can I learn python programming?2.python Development Environment Description2.1 Installation/use of Mac Windows2.2 Development tools: use of pycharm tools3. The first Python appletChapter II

Basic Course on finite element analysis (Zeng) Note One-two-dimensional rod element Finite element program (Python-based)

Zeng Teacher's "Basic course of finite element Analysis" The third chapter has the derivation of two-dimensional rod element, and combines an example to analyze and solve the program based on MATLAB. But I feel the MATLAB code in the book is a bit wordy, and some of the implementation methods are more troublesome, such as already know the starting point and the end point coordinates, still need to give the unit local coordinates and the overall coordi

EdX mitx:6.00.1x Introduction to Computer science and programming Using Python course Week 1:python Basics problem Set 1 Pro Blem 3

Assume is s a string of lower case characters.Write A program This prints the longest substring of in s which the letters occur in alphabetical order. For example, if s = ‘azcbobobegghakl‘ , then your program should printLongest substring in alphabetical order Is:begghIn the case of ties, print the first substring. For example, if s = ‘abcbcd‘ , then your program should printLongest substring in alphabetical order IS:ABC# Paste Your code into this boxCount = 1result = S[0]While S:Newcount = 1New

A concise introductory course in Python learning __python

In the support of everyone, basically completed a quick tour of the serial. I learned a lot from this process. After Python's foundation, the Python standard library naturally becomes the next challenge. The importance of the Python standard library is:1 It is part of Python.2 python philosophy is a problem with only

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